Footage from a catastrophic tsunami that hit Thailand showed the waves moving in reverse and demonstrated the terrifying ...

"I don't mind telling the story of what happened to me on the day," Louis Mullan tells PEOPLE in this week's issue ...

UK documentary Tsunami: The Wave That Shook The World special reflects on the 20th anniversary of the tragic Boxing Day tsunami of 2004.

There may be more than one wave and the succeeding one may be larger than the one before. That is why a small tsunami at one beach can be a giant wave a few miles away. All tsunamis are ...

(Knowing when it's safe to return after a local quake is something still needing research, Bernard says, but as a benchmark, in the 2004 event tsunami waves pummeled ... visits a beach on vacation ...

The tsunami waves — some at least as tall as the Statue ... cruise ships were there and they were on the beach,” Svennevig ...